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CTRI Number  CTRI/2023/06/054024 [Registered on: 16/06/2023] Trial Registered Prospectively
Last Modified On: 14/06/2023
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Dentistry 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   THERAPEUTIC BOTULINUM TOXIN INJECTION IN MASSETER MUSCLE FOR DEEP BITE CORRECTION. 
Scientific Title of Study   EFFECT OF INTRAMUSCULAR ADMINISTRATION OF BOTULINUM TOXIN ON TEMPORALIS AND MASSETER DURING TREATMENT IN SKELETAL DEEP BITE PATIENTS - A RANDOMIZED CONTROLLED TRIAL  
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Rama Raji Sankaranarayanan 
Designation  Post graduate student  
Affiliation  Saveetha Institute of medical and technical sciences 
Address  Clinic No.27, 5th floor, Department of orthodontics and dentofacial orthopedics, 162, Saveetha Dental College, Velapanchavadi, Poonamalle high road
Clinic No.27, 5th floor, Department of orthodontics and dentofacial orthopedics, 162, Saveetha Dental College, Velapanchavadi, Poonamalle high road
Chennai
TAMIL NADU
600077
India 
Phone  7338883454  
Fax    
Email  ramaraji.iyer@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Harish Babu 
Designation  Professor  
Affiliation  Saveetha Institute of medical and technical sciences 
Address  Clinic No.27, 5th floor, Department of orthodontics and dentofacial orthopedics, 162, Saveetha Dental College, Velapanchavadi, Poonamalle high road
Clinic No.27, 5th floor, Department of orthodontics and dentofacial orthopedics, 162, Saveetha Dental College, Velapanchavadi, Poonamalle high road
Chennai
TAMIL NADU
600077
India 
Phone  9360575950  
Fax    
Email  harishortho@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Rama Raji Sankaranarayanan 
Designation  Post graduate student  
Affiliation  Saveetha Institute of medical and technical sciences 
Address  Clinic No.27, 5th floor, Department of orthodontics and dentofacial orthopedics, 162, Saveetha Dental College, Velapanchavadi, Poonamalle high road
Clinic No.27, 5th floor, Department of orthodontics and dentofacial orthopedics, 162, Saveetha Dental College, Velapanchavadi, Poonamalle high road
Chennai
TAMIL NADU
600077
India 
Phone  7338883454  
Fax    
Email  ramaraji.iyer@gmail.com  
 
Source of Monetary or Material Support  
Royal biotech Near, Office No. A-309, Sobo Center, Sardar Patel Ring Rd, South Bopal, Ahmedabad, Gujarat 380058 
 
Primary Sponsor  
Name  Saveetha Dental College and hospitals  
Address  162, Saveetha Dental College, Velapanchavadi, Poonamalle high road 
Type of Sponsor  Private medical college 
 
Details of Secondary Sponsor  
Name  Address 
Sankaranarayanan  37, Krishnamachari Nagar 1st street alapakkam, chennai -116 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Rama Raji S  Saveetha Dental College and hospitals   Department of orthodontics and dentofacial orthopedics, Room no.27, 5th floor, Dental hospital block, 162, saveetha dental college, velapanchavadi, poonamalle high road
Kancheepuram
TAMIL NADU 
7338883454

ramaraji.iyer@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional human ethical committee   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K088||Other specified disorders of teethand supporting structures,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Botulinum toxin i.m.  Intramuscular administration of botulinum toxin in the masseter 25 units for 1 cycle in each masseter at 3 month interval.  
Comparator Agent  Saline i.m.  Intramuscular administration of saline 25 units for 1 cycle at 3-month intervals in each masseter.  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  35.00 Year(s)
Gender  Both 
Details  Skeletal deep bite
Reduced posterior and anterior facial height

 
 
ExclusionCriteria 
Details  Poor periodontal status
Blood dyscariasis
Retreatment orthodontic patients
Missing posterior teeth
Hypersensitivity to botulinum toxin 
 
Method of Generating Random Sequence   Coin toss, Lottery, toss of dice, shuffling cards etc 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant, Investigator and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
LAFH
Posterior Dental height
Mandibular Plane angle
Muscle activity by EMG
Muscle thickness using ultrasound
Clinical overbite
 
T0- before administration of botulinum toxin masseter
T1- immediately after administration of botulinum toxin in the masseter
T2- 3 months after administration of botulinum toxin in the masseter 
 
Secondary Outcome  
Outcome  TimePoints 
masseter muscle activity via EMG
masseter muscle thickness using ultrasound  
T0- before administration of botulinum toxin
T1 - immediately after  
 
Target Sample Size   Total Sample Size="26"
Sample Size from India="26" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   Phase 4 
Date of First Enrollment (India)   01/07/2023 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   None yet 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary  
   Botulinum toxin is a

Aim: To study the effects of intramuscular administration of botulinum toxin on the acceleration of posterior extrusion in skeletal deep bite correction in adults.


P= Adult skeletal deep bite patients treated orthodontically.

I= Intramuscular masseter administration of Botox for orthodontic deep bite correction

C= Orthodontic deep bite correction with extrusion mechanics. 

O= Acceleration of extrusion in orthodontic deep bite correction


Rationale : Botulinum toxin is a known neurotoxin. Low dose administration of Botox can reduce muscle activity. These neuromuscular changes

produced by Botox can be used to prevent post treatment bite deepening in adults with deep bite.


Null hypothesis: Intramuscular administration of botulinum toxin deos not accelerate the deep bite correction in adults with skeletal deep bite. 

Alternate hypothesis: Intramuscular administration of botulinum toxin accelerates the deep bite correction in adults with skeletal deep bite.  


Research question: Does intramuscular injection of botulinum toxin in masseter aid in acceleration of posterior extrusion in skeletal deep bite patients?


Variables: 

primary outcome: LAFH- COGS, Posterior dental heights, Mandibular plane angle, Clinical overbite and 

Secondary outcome : muscle activity and muscle thickness

 
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